Gas diffuser assembly



FIG. 1 is a side elevational view of a gas diffuser assembly showing our new design, the opposite side being a mirror image thereof;

FIG. 2 is a bottom view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a front elevational view, the opposite (back) side being a mirror image thereof.

In all views, the broken lines depict portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a gas diffuser assembly, as shown and described. 